Sulphonation Of Benzene

The electrophilic substitution reaction between benzene and sulfuric acidhere are two equivalent ways of sulfonating benzene heat benzene under reflux with concentrated sulfuric acid for several hoursarm benzene under reflux at 40c with fuming sulfuric acid for 20 to 30 minutesc6h6 h2so4 rightarrow c6h5so3h h2o or.

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